brief process of coal based sponge iron rotary kiln

Brief Process Of Coal Based Sponge Iron Rotary Kiln 2 D Model of Sponge Iron Rotary Kiln Developed variation in mass fraction of Fe content in kiln outlet stream is observed based on kiln which consists of iron ore coal rotary kiln of sponge iron process Get Price And Support Online A Thesis Submitted for Partial Fulfillment of the

In conventional coal based sponge iron plant Fig 1 kiln feed Stream no 1 which consists of iron ore feed coal and dolomite is fed to the rotary kiln RKA separate conveyor collects different size fractions of coal Stream no 5 for injection into the kiln with the help of pressurized air Stream no 4 from discharge end side

Coal Based Rotary Kiln for Direct Reduced Iron Sponge Iron 100 TPD 350 TPD 500 TPD Solid state reduction of Iron Ore using either coalgas as a medium of reduction to produce a substitute raw material for steel making is termed as Direct Reduced Iron DRI

Study on Accretion Formation on DRI kiln during spong iron production Chandrashekhar shrivas Himanshu shrivas AbstractToday is an era of competition and contrary to this the Iron and steel industries are also suffering from the same One of the major challenges for sponge iron plant is the Accretion formation Through this

Nov 09 2014 · INJECTION COAL Coal Crushing Combustion Injection to kiln Coal Injection over a large range of size 020 mm Temperature combustion below 950 C Coal injection system makes use of voal volatiles for reduction thereby reducing the coal requirement to a minimum Coal Injection can decrease energy consumption 8 ROTARY KILN 9

Manufacturer of Coal Gas based DRI Plant Sponge Iron Plant Coal Based DRI Plant Gas Based HYL DRI Plant and Rotary Kiln for Making Sponge Iron offered by Remso Control Technologies Private Limited Greater Noida Uttar Pradesh

Mar 16 2013 · Fig 2 Principle of direct reduction process Gas based process In the gas based reduction processes a vertical shaft kiln is used in which iron ore is fed into the top of the kiln and finished sponge iron is drawn off from the bottom after cooling it so as to prevent its reoxidation

Operability Analysis of Direct Reduction of Iron Ore by Coal in an Industrial Rotary Kiln of iron ore by coal in a rotary kiln using a rigorous process model of CoalBased Sponge Iron

Illustrative examples are included for the case of a generic rotary kiln ironore reduction process Rotary kiln model Kiln modelling consists of two steps An Excelbased calculation is used to determine the kiln bed profile and residence time based on specific operating conditions and the kiln configuration followed by a calculation of the

brief process of coal based sponge iron rotary kiln manufacturer in Shanghai China brief process of coal based sponge iron rotary kiln is manufactured from Shanghai XuanshiIt is the main mineral processing solutions XSM stone crushing machine projectbrief process of coal based sponge iron rotary kiln

Sponge Iron Production in Rotary Kiln Bidyapati Sarangi on FREE shipping on qualifying offers The increase in the demand of sponge iron is also due to the fact that it is used as a substitute for coking coal which is available in scarcity in the world This book comprehensively deals with the production of sponge iron in the rotary kiln

volatile coals and lignite and sponge iron contain ing 967 per cent total iron 941 per cent metallic iron and a degree of metallization of 973 per cent has been achieved Rotary Kiln Reduction Process at NML The rotary kiln at NML Fig 3 consists of a steel

Simulation of Rotary Kiln Used in Sponge Iron Process Using ANN IACSIT International Journal of Engineering and Technology Vol 6 No 2 April 2014 DOI 107763IJET2014V6673 95 AbstractIn the present study estimation of actual output parameters is carried out for a sponge iron production process

Abstract Today India stands as the largest producer of coal based sponge iron through rotary kiln process using calibrated ore and non coking coal However Rotary kiln process suffers from serious limitations like low productivity and pollution In this respect fixed bed Tunnel kiln furnace are evolving as an alternative to Rotary kiln process

brief process of coal based sponge iron rotary kiln manufacturer in Shanghai China brief process of coal based sponge iron rotary kiln is manufactured from Shanghai XuanshiIt is the main mineral processing solutions XSM stone crushing machine projectbrief process of coal based sponge iron rotary kiln

2 D Model of Sponge Iron Rotary Kiln Developed Using CFD Gajendra Kumar Gaurav and Shabina Khanam Research Scholar and Assistant professor Department of Chemical Engineering Indian Institute of Technology Roorkee Roorkee 247 667 India Abstract The present paper deals with 2D CFD model of rotary kilns employed in sponge iron process

DRI is also known as sponge iron it is a solidstate direct reduction process Fig 26 Coal dolomite and iron ore or pellets are fed into one end of a rotary kiln while sponge iron and char are withdrawn from the other end Primary and secondary airs are supplied to the kiln to initiate combustion and reaction processes Choudhury 2014

Study on Accretion Formation on DRI kiln during spong iron production Chandrashekhar shrivas Himanshu shrivas AbstractToday is an era of competition and contrary to this the Iron and steel industries are also suffering from the same One of the major challenges for sponge iron plant is the Accretion formation Through this

Mar 16 2013 · Fig 2 Principle of direct reduction process Gas based process In the gas based reduction processes a vertical shaft kiln is used in which iron ore is fed into the top of the kiln and finished sponge iron is drawn off from the bottom after cooling it so as to prevent its reoxidation

Direct reduction process using fines and with reduced CO2 emission A direct reduction process for refractory oxides and a life Processes for direct reduced iron DRI are well 4 Flow charts for tunnel kiln process for direct reduction with conventional smelting

The book offers comprehensive coverage and critical assessment of various coalbased and gasbased direct reduction processes Besides dealing with the application of the theoretical principles involved in the thermodynamics and kinetics of direct reduction the book also contains some workedout examples on sponge iron production

3 Application of Rotary Kiln Sponge Iron 1 Rotary kiln is commonly used in the production process of catalytic agent molecular sieve and zinc oxide etc As a result you can find a rotary kiln in variety of industries like steel annealing and nonferrous smelting industries metallurgy and chemistry fields and building industries and more

In the first phase one 350 TPD rotary kiln and 8MW power plant have been commissioned and are operating smoothly SPONGE IRON PLANT Sponge iron plant or Direct Reduction Plant DRP is designed to produce 350tons of sponge iron per day in a rotary kiln using iron ore non coking coal and dolomite as the raw materials

What is the process for producing sponge iron in coal based rotary kiln process quantitatively Answer Wiki User December 06 2007 1124AM midrex technology for gas based DRI for coal based

Recovery and utilization of waste heat in a coal based sponge iron process Vivek gas from ESP outlet to rotary kiln an insulated duct which is a hollow cylinder of 43m length and 06m diameter is used To preheat kiln air using waste gas a plate type heat exchanger is

Sponge Iron Composition Manufacturing Process Lloy Sponge iron making is a process in which iron ore lumps typically 5mm18mm size are tumbled with a selectgrade of ironcoking coal little dolomite inside an inclined rotary kiln and control busted in the presence of air for about 12 hours before the products are air cooled magnetically separated screened and size wise in finished product

Looking forward to the need of developing coalbased sponge iron technology in India a country having no significant resources of either coking coal or natural gas the Research and Development Division of the Tata Iron and Steel Company Limited TISCO set up a rotary kiln based

For Sponge Iron production by Direct Reduction Process CUMI offers the following solutions COAL BASED SPONGE IRON ROTARY KILN

Rotary Kiln Scribd Read Unlimited Books 2 Rotary Kiln Process of Making Sponge Iron 21 HISTORICAL BACKGROUND The production of steel began in ancient times but because of the complexity and slow speed of

Nov 12 2012 · Rotary Kiln Process of Making Sponge Iron for a rotary kiln coal based sponge iron manufacturing process to be successful it is absolutely 8122424015 9788122424010 Advances Rotary Kiln Sponge Iron Plant Role of Coal in Rotary Kiln Sponge Iron Making Process 6 Quantity of Protective Char 7 Reduction of Iron Oxide 8

Most of the plants in India use DRI processa solid state direct reduction process by which iron ore is reduced to sponge without phase change Figure 1 Raw material mixiron ore dolomite and coal are fed to one end of rotary Kiln and product sponge iron along with char is taken out from the other end Apart from this primary

The Rotary Kiln process is a wellestablished process for production of coal based DRI Lumps The process in general salient features of the various rotary kiln processes available now for commercial exploitation and the process selected are discussed in this chapter

Iron Ore and Coal are drawn with the help of weigh feeders in the required quantity and proportion and fed on to common conveyor These raw materials enter into the rotary kiln through a feed chute 4 The rotary kiln is 70 meters in length and 44 meter in diameter This kiln

Sponge iron is a highly processed form of iron ore which contains metallic iron in the range of 8388 obtained by direct reduction without melting it Due to high porosity the resulting iron is called sponge iron It is used as a raw material for manufacturing steel

3 Application of Rotary Kiln Sponge Iron 1 Rotary kiln is commonly used in the production process of catalytic agent molecular sieve and zinc oxide etc As a result you can find a rotary kiln in variety of industries like steel annealing and nonferrous smelting industries metallurgy and chemistry fields and building industries and more

Our cement rotary kiln and sponge iron rotary kiln has been developed for performing drying calcination and sintering work in a continuous process Widely used for cement pet coke calcination sponge iron and other materials it uses hot gases for the operation

sponge iron process Aug 03 2011 · COAL INJECTION IN ROTARY KILN karan During the process of manufacture of sponge iron coal injection plays a very vital role in maintaining the product quality

India is the largest producer of Direct Reduced Iron in the world with annual Coal based rotary kiln sponge iron plants have mushroomed in India mainly in the ore during last 23 years iron ore suppliers have put up the rotary kilns with the

process Further energy consumption wise the coal based sponge iron plants are not efficient which can be improved by cogeneration using kiln off gas CONSIDERATIONS IN SETTING UP COAL BASED SPONGE IRON PLANTS Coal based rotary kiln sponge iron plants have mushroomed in India mainly in the states of Madhya